heavy snow blanketed the city leaving the roadway icy as well. some streets were blocked off entirely. >> mark tamayo is here now with the radar. you can see still good sections of rain right now. >> we've been watching it over the past few hours. we've noticed an increase in the rainfall rates. as we zoom in, moderate to heavy rainfall. increasing. moving the maps closer to san jose. increasing rainfall rates. just to the south and east of downtown. heavier downpours. the maps to the north, reports of thunderstorms in san francisco over the past hour. the main action heading out across the bay right now inventoried -- centered on the bay bridge. here's a closer inspection right now. you can see some of the activity right around the piedmont region. and tracking the north bay. still rain showers up toward petaluma. we're tracking another weather system in the pacific. here is the wider perspective. this will be the strongest one. that's our next storm approaching. heaviest rain dour downpours are expected. when a wind advisory kicks in for the ba